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1. The sliding bar has a length of 0.500 m and moves at 2.00 m/s in a magnetic field of 0.250 T.
a. Determine the direction of the current through the resistor. Explain why it is that way.
b. What is magnitude of the induced voltage?
c. If the resistor has a value of 20.0 ?, what is the magnitude of the induced current?
An ingenious bricklayer builds a device for shooting bricks up to the top of the wall where he is working. what distance must the bricklayer compress the spring initially
A window of a car is found to be covered with 0.6cm of ice. If the area of the window is 1 m2, and the ice is at -12 degrees Celsius, what is the minimum heat required to melt all the ice
A horizontal board weighing 198 N is supported at points A and B. The plank serves as a platform for a painter, who weighs 558.5 N. Find out the maximum distance D, such that the plank would not tip, no matter where the painter stands.
Three polarizing plates whose planes are parallel are centered on a common axis. The directions of the transmission axes relative to common vertical direction.
A helicopter is ascending perpendicularly with a speed of 5.02 {rm m/s}. At a height of 115 {rm m} above the Earth, a package is dropped from the window.
A 65 centimeter guitar string is fixed at both ends. Determine the speed of traveling waves on this string
A man at an organ concert can both hear a 30 Hertz sound wave and feel it as vibrations in the bench on which she is sitting. Evaluate what is the period
A certain orthodontist uses a wire brace to align a patient's crooked tooth as in the figure below. The tension in the wire is adjusted to have a magnitude of 21.1 N. Find the magnitude of the net force exerted by the wire on the crooked tooth.
A 352-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. Find the magnitude of the motorcycle's acceleration
a 1.80cm x1.80cm parallel-plate capacitor has a 2.10mm spacing. the electric field strength inside the capacitor is
In a volcanic eruption, 2 km3 of mountain with a density of 1600 kg/m3 was lifted an average height of 513 m. How much energy in joules was released
a lamp is suspended by a massless string from the ceiling of a descending elevator which decelerates at 1.7 ms2. if the
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